<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <meta http-equiv="x-ua-compatible" content="ie=edge,chrome=1">
    <title>demo</title>
    <script src="https://cdn.bootcss.com/jquery/3.1.0/jquery.min.js"></script>
    <script src="./dbs.js"></script>
</head>

<body>
</body>
</html>
